- Companies
- Property developers
- London
- Zimon Building Ltd
Zimon Building Ltd
- Company number
- 10939315
- Incorporated
- 31 Aug 20179 years trading
- Registered office
- 29 Humes Avenue, London, W7 2LJ
- Nature of business
- Development of building projects; Construction of domestic buildings; Electrical installation; Plastering
Zimon Building Ltd is a 9-year-old private limited company registered in London, company number 10939315, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £35K (-44%) on the year before, to £45K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £51K against £9,113 owed within a year: 5.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £45K | £5,248 | £51K | £9,113 | 1 |
| 31 Aug 2024 | £81K | £53K | £95K | £18K | 1 |
| 31 Aug 2023 | £80K | £20K | £93K | £23K | 1 |
| 31 Aug 2022 | £83K | £20K | £84K | £20K | 1 |
| 31 Aug 2021 | £85K | £36K | £109K | £54K | 1 |
| 31 Aug 2020 | £66K | £15K | £55K | £26K | 1 |
| 31 Aug 2019 | £72K | £39K | £75K | £34K | |
| 31 Aug 2018 | £59K | £51K | £58K | £33K |
Where Zimon Building Ltd is registered
The registered office is in London (W7), in the Ealing local authority area, London. Show W7 2LJ on a map.
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What happens if Zimon Building Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 10939315
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 August 2017 (9 years ago)
- Registered office
- 29 Humes Avenue, London, W7 2LJ
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Plastering (SIC 43310) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 30 August 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Zion Rock Partners Ltd2025
- Zkyd Limited2023
- Zle Consulting & Trade Ltd2025
- Zma Innovations Ltd2026
- Zmarthaus Holdings Limited2019
- Zoish Ltd2023
- Zolger Developments Limited2012
- Zone Holdings Limited2022
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Zimon Building Ltd's accounts due?
Zimon Building Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Zimon Building Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Zimon Building Ltd still trading?
Zimon Building Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Zimon Building Ltd do?
Zimon Building Ltd is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Plastering (SIC 43310).
How old is Zimon Building Ltd?
Zimon Building Ltd was incorporated on 31 August 2017, 9 years ago.
What is the penalty if Zimon Building Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Zimon Building Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.